OZ 6344 then AA 1849 at San Francisco
St Louis → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
21:41OZ 6344 from St Louis at the gate
11:20AA 1849 to Dallas-Fort Worth leaves the gatealso QF 4499, G3 6290, GF 6536, RJ 7530
13 h 39 apart on the timetable, overnight
AA 1849 leaves 13 h 39 after OZ 6344 arrives on the timetable: more than half a day, so not a connection we count.